3/4"-10 x 1-3/4" Grade 5 Zinc Finish Hex Cap Screw / HEAD STYLE: C1 HEXAGON HEAD DIAMETER: 1.29 INCHES NOMINAL HEAD HEIGHT: 0.483 INCHES NOMINAL PART NAME ASSIGNED BY CONTROLLING AGENCY: SCREW HEX HEAD CAP SPECIAL FEATURES: LENGTH: 1.75 INCHES; GRADE 5; MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL